Fix up bridge slave finding code to skip OVS-created phantom devices.
Merge pull request #141 from VictorLowther/pull-req-release-mesa-1.6-master-73e1d1fa0c7ff0e378e90230a8191739a1c854f6

https://github.com/crowbar/barclamp-deployer/pull/141

Merged by devtool for ArkadyKanevsky